WETT = 0
NWETT = 1
HARMONIC = 1
ARITHMETIC = 0

DOMAIN = 6

INLET = 1
OUTLET = 2

WEST = 0
EAST = 1
SOUTH = 2
NORTH = 3
BOTTOM = 4
TOP = 5

FACES = [WEST, EAST, SOUTH, NORTH, BOTTOM, TOP]

DRAINAGE = 0
IMBIBITION = 1
NEUTRAL = 2

TRAPPED = 2
CONNECTED = 1
INVADED = 0

INVASION_MODES = [DRAINAGE, IMBIBITION, NEUTRAL]
